An improvement method whereby strong compacted sand piles are created in ground to form composite ground at cohesive soil. This increases the shear resistant strength, and at the same time, it stabilises early settlement …

Dynamic compaction of Soil. Dynamic compaction is a ground improvement technique in which a drop weight is used to densify the soils and fill materials. The drop weight is typically made of steel and is lifted by a crane and …

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Founded in 1987, VMN has stridden forward with steady pace in the mill field for nearly 3 decades and has gradually established a complete system for research, production, sales and services, thus becoming the champion of China's mine machine manufacturing industry and shining brightly in the international market.